Once your back into the desktop open your terminal and enter:sudo gedit /etc/default/grubFind the line that reads ‘GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”‘ and change it to read ‘GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash nouveau.modeset=0 tpm_tis.interrupts=0 acpi_osi=Linux i915.preliminary_hw_support=1 idle=nomwait”‘Save the changes then exit gedit.In your terminal run the command: sudo update-grubReboot your computer: sudo reboot.